Title : Icariin attenuates high glucose-induced type IV collagen and fibronectin accumulation in glomerular mesangial cells by inhibiting transforming growth factor-β production and signalling through G protein-coupled oestrogen receptor 1.

Pub. Date : 2013 Sep

PMID : 23772748






6 Functional Relationships(s)
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1 Icariin has been shown to attenuate diabetic nephropathy in rats by decreasing transforming growth factor-beta (TGF-beta) and type IV collagen expression, but its mode of action in glomerular mesangial cells is uncertain. icariin transforming growth factor, beta 1 Rattus norvegicus
2 Mesangial cells treated with icariin after TGF-beta1 exposure expressed less type IV collagen and fibronectin than those without icariin treatment, suggesting inhibition by icariin of TGF-beta1 downstream pathways. icariin transforming growth factor, beta 1 Rattus norvegicus
3 Mesangial cells treated with icariin after TGF-beta1 exposure expressed less type IV collagen and fibronectin than those without icariin treatment, suggesting inhibition by icariin of TGF-beta1 downstream pathways. icariin transforming growth factor, beta 1 Rattus norvegicus
4 On TGF-beta1 stimulation, icariin inhibited TGF-beta canonical Smad signalling and extracellular signal-regulated kinase (ERK)1/2 signalling by decreasing Smad2/3 and ERK1/2 phosphorylation in a dose-dependent manner. icariin transforming growth factor, beta 1 Rattus norvegicus
5 On TGF-beta1 stimulation, icariin inhibited TGF-beta canonical Smad signalling and extracellular signal-regulated kinase (ERK)1/2 signalling by decreasing Smad2/3 and ERK1/2 phosphorylation in a dose-dependent manner. icariin transforming growth factor, beta 1 Rattus norvegicus
6 The G protein-coupled oestrogen receptor 1 (GPER) antagonist, G-15, abolished the icariin-induced inhibition of type IV collagen, and fibronectin overproduction and TGF-beta signalling. icariin transforming growth factor, beta 1 Rattus norvegicus